Somatochlora clavata
| Somatochlora clavata | ||||||||||||
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| Systematics | ||||||||||||
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| Scientific name | ||||||||||||
| Somatochlora clavata | ||||||||||||
| Oguma , 1922 |
Somatochlora clavata is a type of dragonfly from the family of falcon dragonflies (Corduliidae), which belong to the large dragonflies (Anisoptera).
features
Somatochlora clavata reaches a total length of about 59 millimeters, with about 47 millimeters being on the abdomen . The wingspan of the hind wings is about 42 millimeters. The eyes, like the forehead, are metallic blue-green in color. The labrum and labium are yellow and the mandible black. The thorax has a black and yellow pattern, the wing veins, the costal veins , the pterostigma and the legs are black. There are yellow spots on epimerons 2 and 3, the second abdominal segment also has a yellow, triangular mark on the underside. There is a yellow band between the second and third abdominal segments.
distribution
Somatochlora clavata lives in flowing waters in Japan and Korea, whereby the species according to Kadoya 2009 has a very extensive distribution area and occurs on canals.
Research history
The species was first described in 1922 using two males from the Japanese island of Hokkaidō by K. Oguma.
supporting documents
- ↑ a b Sang-Bum Kim, Hong-Shik Oh, Won-Tack Kim, Osamu Tadauchi: Phenetic Analysis of the Anisoptera (Insecta: Odonata) in Jeju Island, Korea, Based on Morphological Characters. J. Fac. Agr., Kyushu Univ. 54 (1), 2009; Pp. 123-132. ( PDF ( page no longer available , search in web archives ) Info: The link was automatically marked as defective. Please check the link according to the instructions and then remove this notice. )
- ↑ a b Syoziro Asahina : The Type Specimen of the Odonata in the Entomological Institute, Hokkaido University. Insecta Matsumurana 24 (1), 1961; P. 62. ( PDF )
- ↑ Taku Kadoya, Shin-ichi Suda, Izumi Washitani: Dragonfly crisis in Japan: A likely consequence of recent agricultural habitat degradation. Biological Conservation 142, 2009; Pp. 1899-1905.
- ↑ K. Oguma: The Japanese dragonfly fauna of the family Libellulidae. German Entomological Journal 1922 (1): pp. 96–112.
Web links
- Images of the dragonfly on morioka.ac
- Somatochlora calverti inthe IUCN 2013 Red List of Threatened Species . Listed by: Paulson, DR, 2007. Retrieved September 24, 2013.